Figuring Ratios - Please help

[YoderIII]

Homework Statement

4 ounces of substance for a 10% solution for 1 gallon of water

Homework Equations

The Attempt at a Solution

42.68 ounces of substance per gallon? to make a 10% solution in water?

 

[Mark44]

Homework Statement

4 ounces of substance for a 10% solution for 1 gallon of water

This doesn't make sense to me. Is this the exact problem description?

Homework Equations

The Attempt at a Solution

42.68 ounces of substance per gallon? to make a 10% solution in water?

How did you get 42.68 oz? There are 128 oz. in a gallon. Show how you calculated this and we can set you straight.

 

[Ray Vickson]

Homework Statement

4 ounces of substance for a 10% solution for 1 gallon of water

Homework Equations

The Attempt at a Solution

42.68 ounces of substance per gallon? to make a 10% solution in water?

What type of gallon do you mean? US Gallon? Imperial Gallon? These are quite different, and this forum is international, not purely American.